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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.301 by root, Tue Jul 10 07:01:51 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Socket;	30	use Socket;
9	use Storable;	31	use EV;
10	use Event;
11	use Opcode;	32	use Opcode;
12	use Safe;	33	use Safe;
13	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
14		36
15	use Coro 3.61 ();	37	use Coro ();
16	use Coro::State;	38	use Coro::State;
17	use Coro::Handle;	39	use Coro::Handle;
		40	use Coro::EV;
18	use Coro::Event;	41	use Coro::AnyEvent;
19	use Coro::Timer;	42	use Coro::Timer;
20	use Coro::Signal;	43	use Coro::Signal;
21	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
22	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
23	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
24		50
25	use JSON::XS 1.4 ();	51	use JSON::XS 2.01 ();
26	use BDB ();	52	use BDB ();
27	use Data::Dumper;	53	use Data::Dumper;
28	use Digest::MD5;	54	use Digest::MD5;
29	use Fcntl;	55	use Fcntl;
30	use YAML::Syck ();	56	use YAML ();
31	use IO::AIO 2.32 ();	57	use IO::AIO ();
32	use Time::HiRes;	58	use Time::HiRes;
33	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
34		63
35	# configure various modules to our taste	64	# configure various modules to our taste
36	#	65	#
37	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40
41	$Event::Eval = 1; # no idea why this is required, but it is
42
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		74
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
49		76
50	our %COMMAND = ();	77	our %COMMAND = ();
51	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
…		…
54	our %EXTCMD = ();	81	our %EXTCMD = ();
55	our %EXTICMD = ();	82	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
58		85
59	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	87	our @EVENT;
61		88
62	our $CONFDIR = confdir;	89	our $CONFDIR = confdir;
63	our $DATADIR = datadir;	90	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	91	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	92	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	93	our $MAPDIR = "$DATADIR/" . mapdir;
67	our $LOCALDIR = localdir;	94	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	98	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
73		104
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	107	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
82	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
83	our $DB_ENV;	113	our $DB_ENV;
84		114
85	our %CFG;	115	our %CFG;
86		116
87	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
89		120
90	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
91	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
93		124
94	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		127
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	131	our $TICK_START; # for load detecting purposes
100		132
101	binmode STDOUT;	133	binmode STDOUT;
102	binmode STDERR;	134	binmode STDERR;
103		135
104	# read virtual server time, if available	136	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	138	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
109	}	141	}
110		142
111	mkdir $_	143	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
…		…
157		189
158	The raw value load value from the last tick.	190	The raw value load value from the last tick.
159		191
160	=item %cf::CFG	192	=item %cf::CFG
161		193
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	195	from wherever your confdir points to.
164		196
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		198
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
171	=back	209	=back
172		210
173	=cut	211	=cut
174		212
175	BEGIN {	213	BEGIN {
…		…
179	$msg .= "\n"	217	$msg .= "\n"
180	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
181		219
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		221
184	utf8::encode $msg;
185	LOG llevError, $msg;	222	LOG llevError, $msg;
186	};	223	};
187	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
188		240
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	251	for my $pkg (qw(
200	cf::global cf::attachable	252	cf::global cf::attachable
201	cf::object cf::object::player	253	cf::object cf::object::player
202	cf::client cf::player	254	cf::client cf::player
203	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
204	cf::map cf::party cf::region	257	cf::party cf::region
205	)) {	258	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	260	}
209		261
210	$Event::DIED = sub {	262	$EV::DIED = sub {
211	warn "error in event callback: @_";	263	warn "error in event callback: @_";
212	};	264	};
213		265
214	#############################################################################	266	#############################################################################
215		267
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	291	$d
240	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
241	}	293	}
242		294
243	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
244		296
245	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
246		298
247	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
248		300
249	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
250		302
251	=cut	303	=cut
252		304
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		306
255	sub to_json ($) { $json_coder->encode ($_[0]) }	307	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	308	sub decode_json($) { $json_coder->decode ($_[0]) }
257		309
258	=item cf::lock_wait $string	310	=item cf::lock_wait $string
259		311
260	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
261		313
…		…
264	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
267	returned.	319	returned.
268		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
269	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
271		326
272	=item $locked = cf::lock_active $string	327	=item $locked = cf::lock_active $string
273		328
274	Return true if the lock is currently active, i.e. somebody has locked it.	329	Return true if the lock is currently active, i.e. somebody has locked it.
275		330
276	=cut	331	=cut
277		332
278	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
279		335
280	sub lock_wait($) {	336	sub lock_wait($) {
281	my ($key) = @_;	337	my ($key) = @_;
282		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
283	# wait for lock, if any	344	# wait for lock, if any
284	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
285	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;	348	Coro::schedule;
287	}	349	}
288	}	350	}
289		351
…		…
292		354
293	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
294	lock_wait $key;	356	lock_wait $key;
295		357
296	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
297		360
298	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
299	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
301	}	365	}
302	}	366	}
303		367
…		…
306		370
307	! ! $LOCK{$key}	371	! ! $LOCK{$key}
308	}	372	}
309		373
310	sub freeze_mainloop {	374	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
312		376
313	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
314	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
315	};	438	}
316	$TICK_WATCHER->stop;	439	};
317	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
318	}	453	}
319		454
320	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
321		456
322	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		462
328	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
329		464
330	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
331		466
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	467	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	468	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	470	acceptable.
336		471
337	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
…		…
343		478
344	sub sync_job(&) {	479	sub sync_job(&) {
345	my ($job) = @_;	480	my ($job) = @_;
346		481
347	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
348	my $time = Event::time;	483	my $time = EV::time;
349		484
350	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
352		487
353	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	489
355	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
356		491
357	my $busy = 1;	492	my $busy = 1;
358	my @res;	493	my @res;
359		494
360	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	497	@res = eval { $job->() };
362	warn $@ if $@;	498	warn $@ if $@;
363	undef $busy;	499	undef $busy;
364	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
365		501
366	while ($busy) {	502	while ($busy) {
367	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
368	}	507	}
		508	}
369		509
370	$time = Event::time - $time;	510	my $time = EV::time - $time;
371		511
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	512	$TICK_START += $time; # do not account sync jobs to server load
376		513
377	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
378	} else {	515	} else {
379	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
380		517
…		…
405	=item fork_call { }, $args	542	=item fork_call { }, $args
406		543
407	Executes the given code block with the given arguments in a seperate	544	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	545	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	546	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	547	never block itself or use any form of event handling.
411		548
412	=cut	549	=cut
413
414	sub _store_scalar {
415	open my $fh, ">", \my $buf
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}
422		550
423	sub fork_call(&@) {	551	sub fork_call(&@) {
424	my ($cb, @args) = @_;	552	my ($cb, @args) = @_;
425		553
426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	554	# we seemingly have to make a local copy of the whole thing,
427	# or die "socketpair: $!";	555	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	556	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		557
431	if (my $pid = fork) {	558	my @res = Coro::Util::fork_eval {
432	close $fh2;
433
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
435	warn "pst<$res>" unless $res =~ /^pst/;
436	$res = Coro::Storable::thaw $res;
437
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;	559	reset_signals;
445	local $SIG{__WARN__};	560	&$cb
446	local $SIG{__DIE__};	561	}, @args;
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452		562
453	eval {	563	wantarray ? @res : $res[-1]
454	close $fh1;	564	}
455		565
456	my @res = eval { $cb->(@args) };	566	=item $coin = coin_from_name $name
457		567
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;	568	=cut
459	close $fh2;
460	};
461		569
462	warn $@ if $@;	570	our %coin_alias = (
463	_exit 0;	571	"silver" => "silvercoin",
464	}	572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
465	}	591	}
466		592
467	=item $value = cf::db_get $family => $key	593	=item $value = cf::db_get $family => $key
468		594
469	Returns a single value from the environment database.	595	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	597	=item cf::db_put $family => $key => $value
472		598
473	Stores the given C<$value> in the family. It can currently store binary	599	Stores the given C<$value> in the family. It can currently store binary
474	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
475		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
476	=cut	607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
477		625
478	our $DB;	626	our $DB;
479		627
480	sub db_init {	628	sub db_init {
481	unless ($DB) {
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {	629	cf::sync_job {
485	eval {	630	$DB ||= db_table "db";
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}	631	};
495	}	632	}
496		633
497	sub db_get($$) {	634	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	635	my $key = "$_[0]/$_[1]";
499		636
…		…
549	if (1) {	686	if (1) {
550	$md5 =	687	$md5 =
551	join "\x00",	688	join "\x00",
552	$processversion,	689	$processversion,
553	map {	690	map {
554	Coro::cede;	691	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	692	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	693	} 0.. $#$src;
557		694
558		695
559	my $dbmd5 = db_get cache => "$id/md5";	696	my $dbmd5 = db_get cache => "$id/md5";
…		…
597		734
598	#############################################################################	735	#############################################################################
599		736
600	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
601		738
602	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
603	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
604	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
605		742
606	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
607	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
608	Crossfire TRT).	745	Deliantra).
609		746
610	=over 4	747	=over 4
611		748
612	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
613		750
…		…
657	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
658		795
659	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
660	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
661		798
662	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
663	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
664		801
665	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
666		803
667	=over 4	804	=over 4
…		…
865	";	1002	";
866	die if $@;	1003	die if $@;
867	}	1004	}
868		1005
869	our $override;	1006	our $override;
870	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
871		1008
872	sub override {	1009	sub override {
873	$override = 1;	1010	$override = 1;
874	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
875	}	1012	}
876		1013
877	sub do_invoke {	1014	sub do_invoke {
878	my $event = shift;	1015	my $event = shift;
879	my $callbacks = shift;	1016	my $callbacks = shift;
880		1017
881	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
882		1019
883	local $override;	1020	local $override;
884		1021
885	for (@$callbacks) {	1022	for (@$callbacks) {
886	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
895	}	1032	}
896		1033
897	0	1034	0
898	}	1035	}
899		1036
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1038
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1040
904	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
905		1042
906	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
907	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
908	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1046
910	=back	1047	=back
911		1048
912	=cut	1049	=cut
913		1050
914	#############################################################################	1051	#############################################################################
915	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
916		1095
917	sub reattach {	1096	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1098	my ($obj) = @_;
920		1099
		1100	# no longer needed after getting rid of delete_package?
921	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
922		1102
923	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
924		1104
925	@$registry = ();	1105	@$registry = ();
926		1106
…		…
941	cf::attachable->attach (	1121	cf::attachable->attach (
942	prio => -1000000,	1122	prio => -1000000,
943	on_instantiate => sub {	1123	on_instantiate => sub {
944	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
945		1125
946	$data = from_json $data;	1126	$data = decode_json $data;
947		1127
948	for (@$data) {	1128	for (@$data) {
949	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
950		1130
951	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1147	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
969		1149
970	sync_job {	1150	sync_job {
971	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
974		1155
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
979	close $fh;	1160	aio_close $fh;
980		1161
981	if (@$objs) {	1162	if (@$objs) {
982	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
986	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
987	close $fh;	1168	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
989	}	1170	}
990	} else {	1171	} else {
991	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
992	}	1173	}
…		…
997	}	1178	}
998	} else {	1179	} else {
999	aio_unlink $filename;	1180	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
1001	}	1182	}
1002	}	1183	};
1003	}	1184	}
1004		1185
1005	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
1007		1188
…		…
1019	or return;	1200	or return;
1020		1201
1021	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1204	or return;
		1205
1024	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
1025	}	1208	}
1026		1209
		1210	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1212	$decname, length $data, scalar @{$av || []};
		1213
1029	return ($data, $av);	1214	($data, $av)
1030	}	1215	}
1031		1216
1032	=head2 COMMAND CALLBACKS	1217	=head2 COMMAND CALLBACKS
1033		1218
1034	=over 4	1219	=over 4
…		…
1107	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
1108		1293
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1295
1111	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
1117	} else {	1311	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1313	}
1120		1314
1121	cf::override;	1315	cf::override;
…		…
1148		1342
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1345
1152	$ext{source} =	1346	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
1154	. "#line 1 \"$path\"\n{\n"	1348	. "#line 1 \"$path\"\n{\n"
1155	. $source	1349	. $source
1156	. "\n};\n1";	1350	. "\n};\n1";
1157		1351
1158	$todo{$base} = \%ext;	1352	$todo{$base} = \%ext;
…		…
1174	my $msg = $@ ? "$v->{path}: $@\n"	1368	my $msg = $@ ? "$v->{path}: $@\n"
1175	: "$v->{base}: extension inactive.\n";	1369	: "$v->{base}: extension inactive.\n";
1176		1370
1177	if (exists $v->{meta}{mandatory}) {	1371	if (exists $v->{meta}{mandatory}) {
1178	warn $msg;	1372	warn $msg;
1179	warn "mandatory extension failed to load, exiting.\n";	1373	cf::cleanup "mandatory extension failed to load, exiting.";
1180	exit 1;
1181	}	1374	}
1182		1375
1183	warn $msg;	1376	warn $msg;
1184	}	1377	}
1185		1378
…		…
1199		1392
1200	=back	1393	=back
1201		1394
1202	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
1203		1396
1204	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
1205		1398
1206	=cut	1399	=cut
1207		1400
1208	package cf::player;	1401	package cf::player;
1209		1402
1210	use Coro::AIO;	1403	use Coro::AIO;
1211		1404
1212	=head3 cf::player	1405	=head3 cf::player
1213		1406
1214	=over 4	1407	=over 4
		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
1215		1422
1216	=item cf::player::find $login	1423	=item cf::player::find $login
1217		1424
1218	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
1219		1426
…		…
1238		1445
1239	sub exists($) {	1446	sub exists($) {
1240	my ($login) = @_;	1447	my ($login) = @_;
1241		1448
1242	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
1244	}	1451	}
1245		1452
1246	sub find($) {	1453	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1455	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1466
1260	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
1261	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
1262	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
1263	}	1476	}
1264	}	1477	}
1265	}	1478	}
1266		1479
…		…
1275	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1276		1489
1277	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1279		1492
		1493	cf::get_slot 0.01;
		1494
1280	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1281	Coro::cede;	1496	cf::cede_to_tick;
1282	}	1497	}
1283		1498
1284	sub new($) {	1499	sub new($) {
1285	my ($login) = @_;	1500	my ($login) = @_;
1286		1501
…		…
1292	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1293		1508
1294	$self	1509	$self
1295	}	1510	}
1296		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1297	=item $pl->quit_character	1522	=item $pl->quit_character
1298		1523
1299	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1301		1526
…		…
1305	my ($pl) = @_;	1530	my ($pl) = @_;
1306		1531
1307	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1308		1533
1309	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1310	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1311		1536
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1313	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1315	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1316		1543
1317	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1354	or return [];	1581	or return [];
1355		1582
1356	my @logins;	1583	my @logins;
1357		1584
1358	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1362		1595
1363	utf8::decode $login;	1596	utf8::decode $login;
1364	push @logins, $login;	1597	push @logins, $login;
1365	}	1598	}
1366		1599
…		…
1393	}	1626	}
1394		1627
1395	\@paths	1628	\@paths
1396	}	1629	}
1397		1630
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1632
1400	Expand crossfire pod fragments into protocol xml.	1633	Expand deliantra pod fragments into protocol xml.
1401		1634
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1449		1636
1450	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1451		1638
1452	=cut	1639	=cut
1453		1640
1454	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1456		1643
1457	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1645	}
1460		1646
1461	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1462		1648
1463	Sends an ext event to the client.	1649	Sends an ext event to the client.
1464		1650
1465	=cut	1651	=cut
1466		1652
1467	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1469		1655
1470	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1471	}	1657	}
1472		1658
1473	=head3 cf::region	1659	=head3 cf::region
1474		1660
1475	=over 4	1661	=over 4
…		…
1488	my ($path) = @_;	1674	my ($path) = @_;
1489		1675
1490	my ($match, $specificity);	1676	my ($match, $specificity);
1491		1677
1492	for my $region (list) {	1678	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1496	}	1682	}
1497	}	1683	}
1498		1684
…		…
1519	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1521		1707
1522	sub generate_random_map {	1708	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1524	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1525	$self->_create_random_map (	1714	$self->_create_random_map (
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1618	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1619	return $self;	1808	return $self;
1620	}	1809	}
1621	}	1810	}
1622		1811
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1624	()	1813	()
1625	}	1814	}
1626		1815
1627	sub init {	1816	sub init {
1628	my ($self) = @_;	1817	my ($self) = @_;
…		…
1650		1839
1651	# the temporary/swap location	1840	# the temporary/swap location
1652	sub save_path {	1841	sub save_path {
1653	my ($self) = @_;	1842	my ($self) = @_;
1654		1843
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	1845	"$TMPDIR/$path.map"
1657	}	1846	}
1658		1847
1659	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1660	sub uniq_path {	1849	sub uniq_path {
1661	my ($self) = @_;	1850	my ($self) = @_;
1662		1851
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	1853	"$UNIQUEDIR/$path"
1665	}	1854	}
1666		1855
1667	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1668	# all maps in C++...	1857	# all maps in C++...
…		…
1691		1880
1692	sub load_header_from($) {	1881	sub load_header_from($) {
1693	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1694		1883
1695	utf8::encode $path;	1884	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1701		1893
1702	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1703		1895
1704	1	1896	1
1705	}	1897	}
…		…
1759	sub find {	1951	sub find {
1760	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1761		1953
1762	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1763		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1765		1958
1766	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1767	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1768	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1769	or return;	1964	or return;
1770		1965
1771	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1772		1967
…		…
1774	or return;	1969	or return;
1775		1970
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1779	$map->reset;	1976	$map->reset;
1780	undef $guard;
1781	return find $path;	1977	return find $path;
1782	}	1978	}
1783		1979
1784	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1785	}	1981	}
…		…
1794	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1795		1991
1796	my $path = $self->{path};	1992	my $path = $self->{path};
1797		1993
1798	{	1994	{
1799	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1800		1996
		1997	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1802		1999
1803	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1804		2001
1805	$self->alloc;	2002	$self->alloc;
1806		2003
1807	$self->pre_load;	2004	$self->pre_load;
1808	Coro::cede;	2005	cf::cede_to_tick;
1809		2006
		2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
1810	$self->_load_objects ($self->{load_path}, 1)	2009	$self->_load_objects ($f)
1811	or return;	2010	or return;
1812		2011
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1814	if delete $self->{load_original};	2013	if delete $self->{load_original};
1815		2014
1816	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2016	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2019	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1821	}	2023	}
1822	}	2024	}
1823		2025
1824	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1825	# now do the right thing for maps	2029	# now do the right thing for maps
1826	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2032	unless $self->difficulty;
1829	Coro::cede;	2033	cf::cede_to_tick;
1830		2034
1831	unless ($self->{deny_activate}) {	2035	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2036	$self->decay_objects;
1833	$self->fix_auto_apply;	2037	$self->fix_auto_apply;
1834	$self->update_buttons;	2038	$self->update_buttons;
1835	Coro::cede;	2039	cf::cede_to_tick;
1836	$self->set_darkness_map;	2040	$self->set_darkness_map;
1837	Coro::cede;	2041	cf::cede_to_tick;
1838	$self->activate;	2042	$self->activate;
1839	}	2043	}
1840		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2048	$self->in_memory (cf::MAP_ACTIVE);
1842	}	2049	}
1843		2050
1844	$self->post_load;	2051	$self->post_load;
1845	}	2052	}
1846		2053
…		…
1855		2062
1856	$self	2063	$self
1857	}	2064	}
1858		2065
1859	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {	2067	sub load_neighbours {
1861	my ($map) = @_;	2068	my ($map) = @_;
1862		2069
1863	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1864		2071
1865	for (0 .. 3) {	2072	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1867	or next;	2074	or next;
1868	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1869	or next;	2076	or next;
1870	$neigh->load;	2077	$neigh->load;
1871		2078
		2079	push @neigh,
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}	2082	}
1875		2083
1876	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1877	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1878	or next;	2087	or next;
1879	$neigh->load;	2088	$neigh->load;
1880	}	2089	}
1881	}	2090	}
1882		2091
…		…
1887	}	2096	}
1888		2097
1889	sub do_load_sync {	2098	sub do_load_sync {
1890	my ($map) = @_;	2099	my ($map) = @_;
1891		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1892	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1893	}	2105	}
1894		2106
1895	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1897		2109
1898	sub find_async {	2110	sub find_async {
1899	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1900		2112
1901	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1902		2114
1903	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1905	}	2117	}
1906		2118
1907	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1908	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1909	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2126	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2127	$map->load if $v;
		2128	}
1914		2129
1915	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1916	}	2131	}
1917	}	2132	}
1918	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1919	};	2134	};
1920	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1923	}	2138	}
1924		2139
1925	sub save {	2140	sub save {
1926	my ($self) = @_;	2141	my ($self) = @_;
1927		2142
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1929		2144
1930	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1931		2146
1932	return unless $self->dirty;	2147	return unless $self->dirty;
1933		2148
…		…
1939	return if $self->{deny_save};	2154	return if $self->{deny_save};
1940		2155
1941	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1942		2157
1943	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1945	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1946		2164
1947	if ($uniq) {	2165	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2168	} else {
…		…
1956	my ($self) = @_;	2174	my ($self) = @_;
1957		2175
1958	# save first because save cedes	2176	# save first because save cedes
1959	$self->save;	2177	$self->save;
1960		2178
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2180
1963	return if $self->players;	2181	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1965	return if $self->{deny_save};	2183	return if $self->{deny_save};
1966		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1967	$self->clear;	2189	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2190	}
1970		2191
1971	sub reset_at {	2192	sub reset_at {
1972	my ($self) = @_;	2193	my ($self) = @_;
1973		2194
…		…
2005	if $uniq;	2226	if $uniq;
2006	}	2227	}
2007		2228
2008	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
2009		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2233	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2234
2014	$self->unlink_save;	2235	$self->unlink_save;
2015	$self->destroy;	2236	$self->destroy;
2016	}	2237	}
2017		2238
2018	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
2019		2240
2020	sub nuke {	2241	sub nuke {
2021	my ($self) = @_;	2242	my ($self) = @_;
2022		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
2023	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
2024		2248
2025	$self->unlink_save;	2249	$self->unlink_save;
2026		2250
2027	bless $self, "cf::map";	2251	bless $self, "cf::map";
2028	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2256
2033	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
2034		2259
2035	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
2036	}	2261	}
2037		2262
2038	=item $maps = cf::map::tmp_maps	2263	=item $maps = cf::map::tmp_maps
…		…
2080		2305
2081	sub unique_maps() {	2306	sub unique_maps() {
2082	[	2307	[
2083	map {	2308	map {
2084	utf8::decode $_;	2309	utf8::decode $_;
2085	/\.map$/	2310	s/\.map$//; # TODO future compatibility hack
		2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2312	? ()
2086	? normalise $_	2313	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2314	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2315	]
2090	}	2316	}
2091		2317
2092	package cf;
2093
2094	=back	2318	=back
2095		2319
2096	=head3 cf::object	2320	=head3 cf::object
2097		2321
2098	=cut	2322	=cut
…		…
2101		2325
2102	=over 4	2326	=over 4
2103		2327
2104	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
2105		2329
2106	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
2107		2332
2108	=cut	2333	=cut
2109		2334
2110	sub inv_recursive_;	2335	sub inv_recursive_;
2111	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
2114		2339
2115	sub inv_recursive {	2340	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
2117	}	2342	}
2118		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
2119	package cf;	2372	package cf;
2120		2373
2121	=back	2374	=back
2122		2375
2123	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
2132		2385
2133	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
2134		2401
2135	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2403	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
2145		2412
2146	} else {	2413	} else {
2147	my $pl = $self->contr;	2414	my $pl = $self->contr;
2148		2415
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2417	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2419
2158	} else {	2420	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2423	}
2162	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
2163	}	2435	}
2164		2436
2165	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
2166		2438
2167	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
2180		2452
2181	=item $player_object->enter_link	2453	=item $player_object->enter_link
2182		2454
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2456
2185	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
2187		2461
2188	Will never block.	2462	Will never block.
2189		2463
2190	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
2191		2465
…		…
2246	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
2249		2523
2250	$map->load;	2524	$map->load;
2251	$map->load_diag;	2525	$map->load_neighbours;
2252		2526
2253	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2254	$self->activate_recursive;	2529	$self->activate_recursive;
2255		2530
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
2258	}	2533	}
2259		2534
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
2261		2536
2262	Moves the player to the given map-path and coordinates by first freezing	2537	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2538	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2539	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2540	the new (success) or old (failed) map position. In either case, $done will
		2541	be called at the end of this process.
		2542
		2543	Note that $check will be called with a potentially non-loaded map, so if
		2544	it needs a loaded map it has to call C<< ->load >>.
2266		2545
2267	=cut	2546	=cut
2268		2547
2269	our $GOTOGEN;	2548	our $GOTOGEN;
2270		2549
2271	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
2273		2552
2274	# do generation counting so two concurrent goto's will be executed in-order	2553	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2555
2277	$self->enter_link;	2556	$self->enter_link;
2278		2557
2279	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
2280	my $map = eval {	2580	my $map = eval {
2281	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
2282		2582
2283	if ($map) {	2583	if ($map) {
2284	$map = $map->customise_for ($self);	2584	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2585	$map = $check->($map) if $check && $map;
2286	} else {	2586	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2588	}
2289		2589
2290	$map	2590	$map
2291	};	2591	};
2292		2592
…		…
2297		2597
2298	if ($gen == $self->{_goto_generation}) {	2598	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2599	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
2301	}	2601	}
		2602
		2603	$done->() if $done;
2302	})->prio (1);	2604	})->prio (1);
2303	}	2605	}
2304		2606
2305	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
2306		2608
…		…
2326	}	2628	}
2327		2629
2328	sub prepare_random_map {	2630	sub prepare_random_map {
2329	my ($exit) = @_;	2631	my ($exit) = @_;
2330		2632
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2635	# that depends on the exit object
2336		2636
2337	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2639	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
2344	}	2646	}
2345		2647
2346	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
2347		2649
2348	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
2351		2653
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2656	undef $fh;
2355	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
2356		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
2359	}	2665	}
2360	}	2666	}
2361		2667
2362	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2364		2670
2365	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2366		2672
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2673	$self->enter_link;
2379		2674
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2675	(async {
2385	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2386	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2387	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2388		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2389	1;	2699	1
2390	}) {	2700	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2395		2705
2396	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2415		2725
2416	utf8::encode $text;	2726	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	2728	}
2419		2729
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		2731
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	2732	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	2733	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	2734	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	2735	the message unless the client supports the msg packet.
2426		2736
2427	=cut	2737	=cut
2428		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
2429	sub cf::client::send_msg {	2803	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	2804	my ($self, $channel, $msg, $color, @extra) = @_;
2431		2805
2432	$msg = $self->pl->expand_cfpod ($msg);	2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
2433		2830
2434	return unless @extra || length $msg;	2831	return unless @extra || length $msg;
2435		2832
2436	if ($self->can_msg) {	2833	if ($self->can_msg) {
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
2438	} else {	2854	} else {
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448
2449	if ($color >= 0) {	2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
2450	if (0 && $msg =~ /\[/) {	2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
2452	} else {	2873	} else {
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")	2875	$self->send_packet ("drawinfo $color $msg")
2455	}	2876	}
2456	}	2877	}
2457	}	2878	}
2458	}	2879	}
2459		2880
2460	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2461		2882
2462	Sends an ext event to the client.	2883	Sends an ext event to the client.
2463		2884
2464	=cut	2885	=cut
2465		2886
2466	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2468		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2469	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2471	}	2914	}
2472		2915
2473	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2474		2917
2475	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	2973	my ($ns, $buf) = @_;
2531		2974
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		2976
2534	if (ref $msg) {	2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	2985	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	2986	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
2541	} else {	2992	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	2994	}
2544		2995
2545	cf::override;	2996	cf::override;
…		…
2592	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2594		3045
2595	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2596		3047
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2598		3053
2599	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2600		3055
2601	=pod	3056	=pod
2602		3057
2603	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2604		3059
2605	cf::object	3060	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3061	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3062	insert remove name archname title slaying race decrease split
2608		3063
2609	cf::object::player	3064	cf::object::player
2610	player	3065	player
2611		3066
2612	cf::player	3067	cf::player
…		…
2617		3072
2618	=cut	3073	=cut
2619		3074
2620	for (	3075	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2623	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2625	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2626	) {	3082	) {
2627	no strict 'refs';	3083	no strict 'refs';
…		…
2703	# the server's init and main functions	3159	# the server's init and main functions
2704		3160
2705	sub load_facedata($) {	3161	sub load_facedata($) {
2706	my ($path) = @_;	3162	my ($path) = @_;
2707		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3169
2708	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2709		3171
2710	my $facedata;	3172	my $facedata;
2711	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
2712	or die "$path: $!";	3174	or die "$path: $!";
…		…
2714	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2715		3177
2716	$facedata->{version} == 2	3178	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2719	{	3188	{
2720	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2721		3190
2722	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2727	Coro::cede;	3198
		3199	cf::cede_to_tick;
2728	}	3200	}
2729		3201
2730	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2732	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2733	or next;	3206	or next;
		3207
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3211	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3213	}
2739	Coro::cede;	3214
		3215	cf::cede_to_tick;
2740	}	3216	}
2741	}	3217	}
2742		3218
2743	{	3219	{
2744	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2745		3221
2746	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3224	cf::cede_to_tick;
2749	}	3225	}
2750		3226
2751	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2752	}	3228	}
2753		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2754	1	3265	1
2755	}	3266	}
2756		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
2757	sub reload_regions {	3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
2758	load_resource_file "$MAPDIR/regions"	3311	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
2760	}	3318	}
2761		3319
2762	sub reload_facedata {	3320	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3321	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3322	or die "unable to load facedata\n";
2765	}	3323	}
2766		3324
2767	sub reload_archetypes {	3325	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3326	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3327	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references
2771	# this really needs to be done in an extra post-pass
2772	# (which needs to be synchronous, so solve it differently)
2773	load_resource_file "$DATADIR/archetypes"
2774	or die "unable to load archetypes\n";
2775	}	3328	}
2776		3329
2777	sub reload_treasures {	3330	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3331	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3332	or die "unable to load treasurelists\n";
2780	}	3333	}
2781		3334
2782	sub reload_resources {	3335	sub reload_resources {
2783	warn "reloading resource files...\n";	3336	warn "reloading resource files...\n";
2784		3337
		3338	reload_facedata;
		3339	reload_archetypes;
2785	reload_regions;	3340	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3341	reload_treasures;
2790		3342
2791	warn "finished reloading resource files\n";	3343	warn "finished reloading resource files\n";
2792	}	3344	}
2793		3345
2794	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2795	reload_resources;	3351	reload_resources;
2796	}	3352	}
2797		3353
2798	sub cfg_load {	3354	sub reload_config {
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2800	or return;	3356	or return;
2801		3357
2802	local $/;	3358	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2804		3360
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2806		3362
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2814	};	3370	};
2815	warn $@ if $@;	3371	warn $@ if $@;
2816	}	3372	}
2817	}	3373	}
2818		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2819	sub main {	3394	sub main {
		3395	atomic;
		3396
2820	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3400	(async {
2824	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2826	};	3404	};
2827		3405
2828	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2829	db_init;	3409	db_init;
2830	load_extensions;	3410	load_extensions;
2831		3411
2832	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2833	Event::loop;	3420	EV::loop;
2834	}	3421	}
2835		3422
2836	#############################################################################	3423	#############################################################################
2837	# initialisation and cleanup	3424	# initialisation and cleanup
2838		3425
2839	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2840	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2849	},
2850	);	3432	};
2851	}	3433	}
2852	}	3434	}
2853		3435
2854	sub write_runtime {	3436	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";
2856
2857	# first touch the runtime file to show we are still running:	3437	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3438	# the fsync below can take a very very long time.
2859		3439
2860	IO::AIO::aio_utime $runtime, undef, undef;	3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3441
2862	my $guard = cf::lock_acquire "write_runtime";	3442	my $guard = cf::lock_acquire "write_runtime";
2863		3443
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
2865	or return;	3445	or return;
2866		3446
2867	my $value = $cf::RUNTIME + 90 + 10;	3447	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3448	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3449	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3459	aio_utime $fh, undef, undef;
2880		3460
2881	close $fh	3461	close $fh
2882	or return;	3462	or return;
2883		3463
2884	aio_rename "$runtime~", $runtime	3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3465	and return;
2886		3466
2887	warn "runtime file written.\n";	3467	warn "runtime file written.\n";
2888		3468
2889	1	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2890	}	3513	}
2891		3514
2892	sub emergency_save() {	3515	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2894		3517
…		…
2900	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2902	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	3529	$pl->save;
2906	}	3530	}
2907	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2908		3532
2909	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2915	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2916		3540
2917	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2920	};	3548	};
2921		3549
2922	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2923	}	3551	}
2924		3552
2925	sub post_cleanup {	3553	sub post_cleanup {
2926	my ($make_core) = @_;	3554	my ($make_core) = @_;
2927		3555
2928	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
2930	}	3587	}
2931		3588
2932	sub do_reload_perl() {	3589	sub do_reload_perl() {
2933	# can/must only be called in main	3590	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2935	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2936	return;	3593	return;
2937	}	3594	}
2938		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2939	warn "reloading...";	3599	warn "reloading...";
2940		3600
2941	warn "entering sync_job";	3601	warn "entering sync_job";
2942		3602
2943	cf::sync_job {	3603	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2945	cf::emergency_save;	3605	cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2947		3607
2948	warn "syncing database to disk";	3608	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2950		3610
2951	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2952		3612
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2964	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();
2972
2973	warn "removing commands";
2974	%COMMAND = ();
2975
2976	warn "removing ext/exti commands";
2977	%EXTCMD = ();
2978	%EXTICMD = ();
2979
2980	warn "unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";
2983
2984	if (my $cb = $pkg->can ("unload")) {
2985	eval {
2986	$cb->($pkg);
2987	1
2988	} or warn "$pkg unloaded, but with errors: $@";
2989	}	3616	}
2990		3617
2991	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2992	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2993	}	3620	%EXT_CORO = ();
2994		3621
2995	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2996	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2999	warn "... unloading $k";	3631	warn "... unloading $pkg";
3000	delete $INC{$k};
3001		3632
3002	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;
3004
3005	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
3006	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
3007	}	3642	}
3008		3643
3009	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
3010	}	3659	}
3011		3660
3012	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		3664
3016	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	3667	delete $INC{"cf/pod.pm"};
3019		3668
3020	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
3021	# and global variables created in xs	3670	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
3023		3672
3024	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
3025		3674
3026	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
3027	require cf;	3676	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3029		3678
3030	warn "loading config and database again";	3679	warn "loading config and database again";
3031	cf::cfg_load;	3680	cf::reload_config;
3032		3681
3033	warn "loading extensions";	3682	warn "loading extensions";
3034	cf::load_extensions;	3683	cf::load_extensions;
3035		3684
3036	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
3039	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
3042		3691
3043	warn "leaving sync_job";	3692	warn "leaving sync_job";
3044		3693
3045	1	3694	1
3046	} or do {	3695	} or do {
3047	warn $@;	3696	warn $@;
3048	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
3049	exit 1;
3050	};	3698	};
3051		3699
3052	warn "reloaded";	3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
3053	};	3703	};
3054		3704
3055	our $RELOAD_WATCHER; # used only during reload	3705	our $RELOAD_WATCHER; # used only during reload
3056		3706
3057	sub reload_perl() {	3707	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	3708	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	3709	# coro crashes during coro_state_free->destroy here.
3060		3710
3061	$RELOAD_WATCHER ||= Event->timer (	3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
3062	reentrant => 0,
3063	after => 0,
3064	data => WF_AUTOCANCEL,
3065	cb => sub {
3066	do_reload_perl;	3712	do_reload_perl;
3067	undef $RELOAD_WATCHER;	3713	undef $RELOAD_WATCHER;
3068	},
3069	);	3714	};
3070	}	3715	}
3071		3716
3072	register_command "reload" => sub {	3717	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
3074		3719
3075	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
		3722	async {
		3723	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	3724	reload_perl;
		3725	};
3078	}	3726	}
3079	};	3727	};
3080		3728
3081	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
3082		3730
…		…
3084		3732
3085	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
3087		3735
3088	sub wait_for_tick {	3736	sub wait_for_tick {
3089	return unless $TICK_WATCHER->is_active;
3090	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
3091		3738
3092	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
3093	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;	3741	$signal->wait;
3095	}	3742	}
3096		3743
3097	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
3098	return unless $TICK_WATCHER->is_active;
3099	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
3100		3746
3101	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	3749	$signal->wait;
3104	}	3750	}
3105		3751
3106	my $min = 1e6;#d#	3752	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
3118	return;	3756	return;
3119	}	3757	}
3120		3758
3121	$NOW = $tick_start = Event::time;
3122
3123	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
3124		3760
3125	0 && sync_job {#d#	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	3763	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	3764	$Coro::current->{desc} = "runtime saver";
3129	or die;	3765	write_runtime_sync
3130		3766	or warn "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	3767	};
		3768	}
3147		3769
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	3771	$sig->send;
3164	}	3772	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
3166	$sig->send;	3774	$sig->send;
3167	}	3775	}
3168		3776
3169	$NOW = Event::time;	3777	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		3779
3180	_post_tick;	3780	if (0) {
3181		3781	if ($NEXT_TICK) {
3182		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
3183	},	3786	}
3184	);	3787	}
3185		3788
3186	{	3789	{
3187	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	3791
3189	reentrant => 0,
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
3197		3793	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		3795
3213	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		3803
3216	cf::sync_job {	3804	cf::sync_job {
3217	eval {	3805	eval {
3218	BDB::db_env_open	3806	BDB::db_env_open
3219	$DB_ENV,	3807	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	3811	0666;
3224		3812
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	3814	};
3230		3815
3231	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	3817	};
3233	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
3234	}	3829	}
3235		3830
3236	{	3831	{
		3832	# configure IO::AIO
		3833
3237	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	3837	}
3250		3838
3251	my $_log_backtrace;	3839	my $_log_backtrace;
3252		3840
3253	sub _log_backtrace {	3841	sub _log_backtrace {
…		…
3256	$msg =~ s/\n//;	3844	$msg =~ s/\n//;
3257		3845
3258	# limit the # of concurrent backtraces	3846	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	3847	if ($_log_backtrace < 2) {
3260	++$_log_backtrace;	3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
3261	async {	3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
3262	my @bt = fork_call {	3853	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	3854	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	3857	or die "addr2line: $!";
…		…
3274	}	3865	}
3275		3866
3276	@funcs	3867	@funcs
3277	};	3868	};
3278		3869
3279	LOG llevInfo, "[ABT] $msg\n";	3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	3872	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	3873	--$_log_backtrace;
3282	};	3874	};
3283	} else {	3875	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	3876	LOG llevInfo, "[ABT] $msg\n";

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